APA引文

Ehlers, H. J. (1969). Crucial issues in education (4th ed.).

Chicago Edition Citation

Ehlers, Henry J. Crucial Issues in Education. 4th ed. 1969.

MLA引文

Ehlers, Henry J. Crucial Issues in Education. 4th ed. 1969.

警告：這些引文格式不一定是100％准確.